ORIEMS FIT RESEARCH DIGEST – inspiring curiosity through real science
At Oriems Fit Research Digest, we regularly share interesting research from universities and hospitals around the world.
We do this to spark curiosity, help people learn on their own, and explore science in simple language.
At the end of every article, we always include a link to the original research paper.
If you enjoy collecting studies, checking facts, or reading full scientific papers, you can go straight to the source.
Who did this research, and when?
This 2022 research was published in Geriatric Orthopaedic Surgery & Rehabilitation, by SAGE Publications (USA)
It was conducted by orthopaedic doctors and researchers from:
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The First Affiliated Hospital of Harbin Medical University
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Harbin, China
Harbin Medical University is a major medical university in China, known for clinical research in surgery and rehabilitation.
The study was published in:
Geriatric Orthopaedic Surgery & Rehabilitation
A peer-reviewed international medical journal published by SAGE, a respected academic publisher.
The researchers reported no conflicts of interest and no commercial funding.
What was this research about?
This study explored whether neuromuscular electrical stimulation (NMES) could support faster recovery after total hip replacement surgery.
Important note:
NMES is a form of electrical muscle stimulation that activates muscles, not TENS.
The researchers wanted to see if NMES could help with:
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Post-surgery pain
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Leg swelling
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Speed of hospital discharge
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Comfort and tolerance of the device
Who was studied?
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60 adults who had total hip replacement surgery
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Age range: 35 to 75 years
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All surgeries were performed by the same senior surgeon
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All patients followed the same hospital recovery pathway
They were divided into two groups:
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30 patients used an NMES device
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30 patients did not use NMES
What research method was used?
This was a randomized controlled trial.
That means:
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Patients were randomly assigned to groups
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Results between groups were compared
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Measurements were taken at multiple time points
The NMES group used a wearable NMES device daily for 5 days after surgery.
What did the researchers find?
1. Lower pain during early recovery
Pain was measured using a 0–10 pain scale while moving.
Compared to the control group:
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Day 1 pain
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NMES group: 2.93
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Control group: 4.17
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Day 3 pain
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NMES group: 2.43
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Control group: 3.23
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These differences were statistically significant.
By Day 5, pain levels were similar in both groups.
2. Less lower-leg swelling
Swelling was measured by calf circumference.
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By Day 3 and Day 5, the NMES group had significantly less calf swelling
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Thigh swelling showed no meaningful difference
This makes sense because the device stimulated lower-leg muscles, not thigh muscles.
3. Shorter hospital stay
This was one of the most practical findings.
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Average hospital stay
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NMES group: 6.9 days
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Control group: 8.6 days
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That is almost 2 days shorter on average.
4. No increase in wound drainage
Some doctors worry electrical stimulation could increase wound drainage.
This study found:
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No difference in wound drainage at 24 hours
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NMES did not increase bleeding or fluid loss
5. Very high comfort and tolerance
Patients were asked how the NMES device felt.
Results:
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93.3% rated it as comfortable or very comfortable
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0% rated it as unbearable
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No serious side effects were reported
Why could EMS be helpful after surgery?
The researchers explained several possible reasons:
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Gentle muscle contractions help blood flow
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Better circulation may help reduce swelling
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Muscle activation may help people move sooner
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Early movement can support faster independence
These are supportive observations, not medical treatment claims.
How might this research be useful for EMS users?
This study suggests that muscle-activating electrical stimulation may:
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Support comfort during early recovery
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Encourage earlier movement
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Help people regain confidence in movement
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Be well tolerated, even in older adults
Again, this is general wellness-related information, not medical advice.
Research paper details
Original research title
Effectiveness of Neuromuscular Electrical Stimulation for Enhanced Recovery After Total Hip Replacement Surgery: A Randomized Controlled Trial
Simplified title
Can Electrical Muscle Stimulation Help People Recover Faster After Hip Replacement?
Link to the original study
This study is published in a peer-reviewed medical journal by SAGE:
https://doi.org/10.1177/21514593221129528
Why this source is trustworthy:
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Peer-reviewed
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Hospital-based clinical trial
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Transparent methods and data
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Published by an international academic publisher
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Summary table
| Topic | What the study found |
|---|---|
| Pain | Lower pain on Day 1 and Day 3 |
| Swelling | Less calf swelling by Day 3–5 |
| Hospital stay | ~2 days shorter |
| Wound safety | No increase in drainage |
| Comfort | 93.3% comfortable or very comfortable |
| Safety | No serious adverse events |
What do you think?
Would you like to see more research about recovery, mobility, or muscle stimulation?
Leave a comment and join the discussion.
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Mandatory Disclaimer
This blog post is for informational and recreational purposes only and does not constitute medical advice.
Always consult with a healthcare professional before starting any new treatment.
For full details, visit:
https://oriems.fit/blogs/research-digest/disclaimer
🔍 How We Source Research Studies
At ORIEMS FIT Research Digest, every study we feature comes directly from peer-reviewed scientific journals, not social media or secondary websites.
Here’s how the process works:
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Global Database Access
We search through respected scientific databases such as PubMed, ScienceDirect, SpringerLink, Taylor & Francis, MDPI, Frontiers, and Google Scholar — including university-hosted repositories. -
Peer-Reviewed Journals Only
Each paper we select must come from recognized academic journals indexed in Scopus, Web of Science, or PubMed, ensuring the research has passed expert review. -
Verification and Citation
Every article is read in full — not just the abstract — and we verify:-
the authors’ institutions (universities, hospitals, or research institutes),
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the publication year,
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and the journal’s credibility.
We always include journal names, volume numbers, and DOI or reference links at the end of every digest.
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Simplified, Not Altered
We rewrite the findings in simple, clear language — especially for readers aged 14 to 80 — but the data, results, and scientific integrity remain untouched. -
Continuous Updates
Our library grows weekly with new papers from Australia, Europe, Asia, and North America, highlighting only verified studies on EMS, FES, and natural healing mechanisms.
🧠 Our Mission
To make cutting-edge science understandable for everyone — without losing the facts or exaggerating the claims.
